they work very carefullythey work very carefully
i think that's she thinks is why do they have to have alternative fuels that's just watse of time
No. Alternative energy means energy sources other than fossil fuels.
Alternatives fuels are fuels that are not made from fossil fuels (coal, oil and natural gas).
Biofuels, Algae fuels ect.
Electricity
Yes, there are several alternative fuels that can be used as substitutes for oil, such as natural gas, biofuels (like ethanol and biodiesel), hydrogen, and electricity. These alternative fuels can help reduce greenhouse gas emissions and dependence on traditional fossil fuels.
There are several alternative fuels for a diesel engine. Some alternatives include Biodiesel and vegetable oil.
R7 rocketfuel
There aren't many cars powered by alternative fuels because some cost more and are hard to make and other fuels don't get you very far.
Alternative energy usually means any energy source other than fossil fuels. That includes solar energy, wind power, and geothermal energy.
alternative!
renewable